Figure 2
From: Sensitivity and performance of three novel quantitative assays of SARS-CoV-2 nucleoprotein in blood
Assay linearity in a dilution series (0.055–1000 PFU/mL) of inactivated virus. The Quanterix Simoa and Solsten ELISA assays use the unit ng/L (left y-axis). The Elecsys ECLIA assay use the unit COI (right Y-axis).
